Hyundai Sonata: Engine Control System / Ambient Temperature Sensor (ATS) Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System / Ambient Temperature Sensor (ATS) Description and Operation

Description
Ambient Temperature Sensor (ATS) is installed on the front-end module and senses the ambient temperature. ECM receives not only the intake air temperatue but also the ambient air temperature informations at the same time to control the intake air quantity precisely provided through the turbo charger. The electrical resistance of the thermistor decreases as the temperature increases, and increases as the temperature decreases This sensor has a Negative Temperature Coefficient (NTC) and its resistance is in inverse proportion to the temperature.

Intake Air Temperature Sensor (IATS) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the IATS connector. 3. Measure resistance between the IATS terminals 3 and 4. 4. Check that the resistance is within the speci ...

Ambient Temperature Sensor (ATS) Specifications
Specification Temperature[°C(°F)]Resistance(k?) -40(-40)841.2~1019.3 -20(-4)263.8~306.50(32)92.4~102.810(50)57.0~62.220(68)36.2~38.840(104)15.3~16.750(122)10.3~11.460(140)7.1~8.080(17 ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Front Door Belt Outside Weatherstrip Repair procedures
Replacement 1. Pull down front door window glass by pressing the power window glass switch. 2. Remove the front door belt outside weatherstrip (A). 3. Install in the reverse order of removal.     • Replace any damaged clips. ...

Hyundai Sonata LF 2014-2019 Owners Manual: Lane changing
A vehicle which moves into your lane from an adjacent lane cannot be recognized by the radar until it is in the radar's detection range. The radar may not detect immediately when a vehicle cuts in suddenly. Always pay attention to the traffic, road and driving conditions. If a slower vehicl ...

© 2018-2023 www.hsonatalf.org